Fix bug.

app/models/site_feed.rb

@@ -99,7 +99,9 @@ class SiteFeed
         request = Net::HTTP::Post.new("/xhr/#{self.channel_key.pluralize}/feed_add_remote/#{self.feed_uid}", 'Content-Type' => 'application/json')
         request.body = {"url"=>root_url}.to_json
         response = http_req.request(request)
-        self.update(:enable_notify=>true)
+        if response.code.to_i == 200
+          self.update(:enable_notify=>true)
+        end
       end
     end
   end
@@ -116,7 +118,9 @@ class SiteFeed
         request = Net::HTTP::Post.new("/xhr/#{self.channel_key.pluralize}/feed_remove_remote/#{self.feed_uid}", 'Content-Type' => 'application/json')
         request.body = {"url"=>root_url}.to_json
         response = http_req.request(request)
-        self.update(:enable_notify=>false)
+        if response.code.to_i == 200
+          self.update(:enable_notify=>false)
+        end
       end
     end
   end